[patch 04/17] ppp_async hang fix

From: <redacted>

Adapted from  http://bugzilla.kernel.org/show_bug.cgi?id=6530

Reschedule the async Tx tasklet if the transmit queue was full.

Cc: Paul Mackerras <redacted>
Signed-off-by: Andrew Morton <redacted>
---

 drivers/net/ppp_async.c |    2 ++
 1 file changed, 2 insertions(+)

diff -puN drivers/net/ppp_async.c~ppp_async-hang-fix drivers/net/ppp_async.c

--- devel/drivers/net/ppp_async.c~ppp_async-hang-fix	2006-06-01 20:31:49.000000000 -0700
+++ devel-akpm/drivers/net/ppp_async.c	2006-06-01 20:31:49.000000000 -0700

@@ -516,6 +516,8 @@ static void ppp_async_process(unsigned l
 	/* try to push more stuff out */
 	if (test_bit(XMIT_WAKEUP, &ap->xmit_flags) && ppp_async_push(ap))
 		ppp_output_wakeup(&ap->chan);
+	else if (test_bit(XMIT_FULL, &ap->xmit_flags))
+		ppp_asynctty_wakeup(ap->tty);
 }
 
 /*

_